<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>翻转世界</title>
  </head>
  <body>
    <div id="app">
      <div><span v-for="item in list">{{item}}</span></div>
      <br />
      <button @click="list.reverse()">逆转世界</button>
    </div>
    <script src="./vue.js"></script>
    <script>
      const app = new Vue({
        el: '#app',
        data: {
          list: ['H', 'e', 'l', 'l', 'o', ',', ' ', 'W', 'o', 'r', 'l', 'd']
        }
      })
    </script>
  </body>
</html>
